Matrix Notation. [英][ˈmeɪtrɪks nəuˈteiʃən][美][ˈmetrɪks noˈteʃən] 矩阵符号. By introducing vector-matrix notation, the ordinary differential equationsdescribing the dynamic behavior of PM in multizone buildings are expressed asthe state equation. 在状态空间模型里,通过矢量、矩阵等概念,刻画颗粒物演化规律的微分方程组以状态方程的形式紧凑地表示;